$533 Cheap Flights from Seoul (ICN) to Porto (OPO)

View $533 flight on Sat, Dec 6, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Porto Airport (OPO)

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Cheap Flights from Seoul to Porto (ICN-OPO)

Prices were available within the past 7 days and start at $533 for one-way flights and $739 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Jan 14 - Tue, Jan 20
ICN
Seoul
OPO
Porto
$739 Roundtrip, found 4 days ago
$739
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Jan 14 from Seoul to Porto, returning Tue, Jan 20, priced at $739 found 4 days ago
Turkish Airlines
Thu, Dec 11 - Sun, Dec 21
ICN
Seoul
OPO
Porto
$751 Roundtrip, found 3 days ago
$751
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Thu, Dec 11 from Seoul to Porto, returning Sun, Dec 21, priced at $751 found 3 days ago
Turkish Airlines
Wed, Nov 26 - Mon, Dec 8
ICN
Seoul
OPO
Porto
$752 Roundtrip, found 4 days ago
$752
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Wed, Nov 26 from Seoul to Porto, returning Mon, Dec 8, priced at $752 found 4 days ago
Lufthansa
Fri, Feb 27 - Sat, Mar 7
ICN
Seoul
OPO
Porto
$763 Roundtrip, found 22 hours ago
$763
Roundtrip
found 22 hours ago
Select Lufthansa flight, departing Fri, Feb 27 from Seoul to Porto, returning Sat, Mar 7, priced at $763 found 22 hours ago
Lufthansa
Wed, Nov 26 - Mon, Dec 8
ICN
Seoul
OPO
Porto
$765 Roundtrip, found 4 days ago
$765
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Nov 26 from Seoul to Porto, returning Mon, Dec 8, priced at $765 found 4 days ago
Lufthansa
Wed, Nov 26 - Mon, Dec 8
ICN
Seoul
OPO
Porto
$785 Roundtrip, found 4 days ago
$785
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Nov 26 from Seoul to Porto, returning Mon, Dec 8, priced at $785 found 4 days ago
Turkish Airlines
Thu, Nov 20 - Sat, Dec 20
ICN
Seoul
OPO
Porto
$786 Roundtrip, found 2 days ago
$786
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Thu, Nov 20 from Seoul to Porto, returning Sat, Dec 20, priced at $786 found 2 days ago
Asiana Airlines
Mon, Dec 1 - Mon, Dec 15
ICN
Seoul
OPO
Porto
$795 Roundtrip, found 21 hours ago
$795
Roundtrip
found 21 hours ago
Select Asiana Airlines flight, departing Mon, Dec 1 from Seoul to Porto, returning Mon, Dec 15, priced at $795 found 21 hours ago
Etihad Airways
Thu, Nov 27 - Wed, Dec 10
ICN
Seoul
OPO
Porto
$832 Roundtrip, found 2 days ago
$832
Roundtrip
found 2 days ago
Select Etihad Airways flight, departing Thu, Nov 27 from Seoul to Porto, returning Wed, Dec 10, priced at $832 found 2 days ago
Cathay Pacific
Mon, Dec 1 - Mon, Dec 15
ICN
Seoul
OPO
Porto
$864 Roundtrip, found 21 hours ago
$864
Roundtrip
found 21 hours ago
Select Cathay Pacific flight, departing Mon, Dec 1 from Seoul to Porto, returning Mon, Dec 15, priced at $864 found 21 hours ago

Alternative airports near Porto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $942
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city center14 min
Flights from $942
Flights from Seoul (ICN) to Porto (OPO)
Origin airport
Incheon Intl.
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air Europa, Ethiopian Airlines, Etihad Airways, LOT-Polish Airlines, Lufthansa, Qatar Airways, Turkish Airlines
Roundtrip price
$738
Distance
6305 mi

Seoul to Porto Flights

The cheapest times to fly from Seoul to Porto

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Porto are during the month of January. You can find some of the cheapest flights from Seoul to Porto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Porto

Sunday is one of the best days to book for cheap flights from Seoul to Porto: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Porto

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Porto in 2025. You can also book with separate airlines for your outbound and return journeys, from $533 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Porto flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Porto airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Dr. Francisco de Sa Carneiro Airport (OPO) cost?
Lock in a cheap one-way flight from $533 or cheap return flight from $739 from Incheon Intl. Airport (ICN) to Dr. Francisco de Sa Carneiro Airport (OPO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
The cheapest month to fly from ICN to OPO is January, when there's less demand. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
To find the cheapest airline flying from ICN to OPO, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Incheon Intl. Airport (ICN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
There are no daily nonstop flights from Incheon Intl. Airport (ICN) to Dr. Francisco de Sa Carneiro Airport (OPO). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from ICN to OPO?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
To land at Dr. Francisco de Sa Carneiro Airport (OPO) on schedule, pick a flight that leaves from Incheon Intl. Airport (ICN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Dr. Francisco de Sa Carneiro Airport (OPO) last-minute?
Booking your ticket from ICN to OPO just before your journey is generally more expensive. But if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an ICN to OPO flight and hotel package?
Booking an ICN to OPO flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
In most cases, you're able to cancel or reschedule your ICN to OPO flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want more details, go to our Customer Service portal.

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*Available to One Key members.